This code is for an RFID door lock system using an Arduino. It reads the UID of the RFID card and compares it to a predefined ...

Understand the importance of using a freewheeling diode to prevent voltage spikes and ensure proper energy discharge in ...

A newly identified part of a brain circuit mixes sensory information, memories, and emotions to tell whether things are familiar or new, and important or just 'background noise.' ...

Many objects that we normally deal with in quantum physics are only visible with special microscopes—individual molecules or ...